Exchange Online (Office 365) Mailbox - Add Proxy Addresses.

    This feature makes it easy to add proxy email addresses to the desired users' mailboxes easily.


    • Click the Management tab.
    • Select Office 365 Management in the left pane. Then click the add proxy addresses link located under Mailbox Management.
    • Select the desired Office 365 account.
    • Select the desired users' mailboxes from the list.
    • Click the Configure link located at the right extreme.
    • In the additional email address, click the '+' icon to add new proxy address; use the external email address field to specify the email address of mail-enabled users.

      - The list of Office 365 attributes supported, by ADManager Plus, in the naming format for email addresses are: DisplayName, FirstName, LastName, UserPrincipalName (UPN), Office, Department, Title, City, Country, PostalCode, MobilePhone, and Fax.
      - UserPrincipalName (UPN) can be used in the naming format to have the UPN prefix in the naming format. For example, if SMTP email address is specified as '' and if the user's UPN is '', then, the proxy email address will be ''

    • Click Apply.